Is it worth a small investment to lock your manholes – and keep intruders out?

It is when you consider the tremendous cost – in down-time, repairs, and customer retention – of a service interruption caused by accidental or purposeful damage to your pipes, cables, wires, or other underground infrastructure.

"The MBSS manhole barrier device is the most practical, effective and affordable mechanism by which to secure manholes." - Former Commissioner, U.S. President's Commission on Critical infrastructure Protection.